火床面积的英文：
n. grate area
v. 磨碎；发摩擦声；使烦躁
n. 炉栅，壁炉
grating satellite
光栅“伴线”
The trees afford grateful shade.
这些树提供了宜人的纳凉之所。
The dependents are grateful for outside help.
受援助者特别感激外界的帮助。
To scrape harshly; grate.
刮用力地擦，磨擦
To grate on or jar(the nerves).
激怒或刺激（人的神经）
n. 面积；地区；区域；场地；领域，范围，方面
This is a drainage area.
这里是排水区。
The areas of greater rainfall conform roughly with these forested areas.
降雨量较大地区大致与这些森林地区相符合。
The?penalty area?is the rectangular area in front of the goal.
禁区就是指球门前的矩形区域。
Is this the baggage inquiry area?
查询行李情况是在这里吗？
The child birthrate in that area has doubled.
该地区的婴儿出生率已经增加了一倍。